California Population 2024 Growth Rate. California lost population for the first time in 2020 and 2021 due to covid, migration, low birth rates, and aging. The top five regions with the largest increases—sutter county, imperial county, glenn county, yuba county, and san benito county—illustrate the factors driving this growth and its impact on local economies and communities.
See historical and projected population data, growth rate, race, age, sex, and household statistics for the county. 1, 2024, when california was home to 39,128,162 people, according to new population.